/*
 * The MIT License
 * 
 * Copyright (c) 2008 Comcast Interactive Media
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package cim.sf.core.command;

/**
 * A whiteboard pattern listener interface that can be registered by parties interested 
 * in knowning when a command is added or removed from the system. Intended to be used
 * along with CommandShell.
 * 
 * @author <a href="mailto:jeremy_volkman@cable.comcast.com">Jeremy Volkman</a>
 *
 */
public interface CommandAvailabilityListener {
    
    /**
     * Called when a command is added to the system.
     * @param path The comamnd path
     */
    public void commandAdded(String path);
    
    /**
     * Called when a command is removed from the system.
     * @param path
     */
    public void commandRemoved(String path);
}
